use "/Users/TJRyan/Dropbox/687 Pol Psych/Selective exposure project/replication files/exp3.dta", clearreg ctp cond [aw=impressions]reg ctp cond age2 sex2 [aw=impressions]reg ctp cond reg ctp cond age2 sex2 sum age if cond==0sum age if cond==1sum sex2 if cond==0sum sex2 if cond==1